Exactly How Viagra Functions!Since everybody knows which Viagra is designed to help men attain one erection we need to speak only a little physiology. As part of their simplest terms, one erection could be the change in position for the men sex organ starting the best limp position inside a strong, tricky plus upright position. When you want to move any sort of part of your system you employ muscles. Unfortuitously this doesnt work for that the men organ. Why? As there are no skeletal muscle tissue contractions involved in one erection. It is all done by pressure. Increased especially blood pressure.